/Engine/Source/Runtime/Engine/Public/Animation/AnimNodeMessages.h
Helper functions.
void PushMessage ( const [FAnimationBaseContext](API\Runtime\Engine\Animation\FAnimationBaseContext) & InContext, [TSharedRef](API\Runtime\Core\Templates\TSharedRef)< [IGraphMessage](API\Runtime\Engine\Animation\IGraphMessage) > InMessage, [FName](API\Runtime\Core\UObject\FName) InMessageType )